Black 4 Inch Door Hinges Set With Stainless Steel Ball Bearing NRP Non Removable Pin For Residential And Commercial Exterior And Interior Doors Square Corner Heavy Duty 4 Pack
✔️ 4 inch square corner hinges with NRP pin, stainless ball bearings
This 4 inch black hinge set brings sturdy security and smooth operation to both residential and commercial doors. Ideal for exterior and interior use, these hinges pair a non-removable pin with heavy-duty bearings to support high-traffic entryways.
✅ 4" x 4" square corner design (101.6 x 101.6 mm) for standard doors
✅ Non-removable pin (NRP) for added security
✅ 3.0 mm thick heavy-duty construction for long life
✅ 304 stainless steel or electroplated matte black finish options
✅ 4 precision ball bearings for whisper-quiet operation
✅ Tested for 500,000 cycles and 90-minute fire-rating
💡 What is a heavy-duty door hinge with non-removable pin used for in residential and commercial settings?
This handy hinge is designed to secure entryways while delivering smooth, quiet operation.
- Non-removable pin deters tampering on outswing doors- Whisper-quiet operation from 4 ball bearings
- Corrosion-resistant finishes suitable for coastal or outdoor use
- Fire-rating and cycle-tested durability for high-traffic doors